That's not necessary.
https://play.golang.org/p/_iHnithuxz
What a[:] does is create a slice header with the address pointing to
the zeroth element of a.
The code that is generated is exactly the same for both (you can check
this with go tool compile -S).
On Thu, 2016-11-10 at 23:46 -0800, steve tang wrote:
> Thanks, But I want them hold same data addrs. So I just changed
> your code
> to follows:
> a := [3]int{1, 2, 3}
> b := (&a)[:]
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